Home / 23,715.09-32,731.35-15,634.56

Finding the Fourth Proportional to 23,715.09, 32,731.35 and 15,634.56

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Solution

The fourth proportional to 23,715.09, 32,731.35 and 15,634.56 is: 21,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.09 : 32,731.35 = 15,634.56 : x
  2. Step 2: Convert to fraction form
    23,715.09/32,731.35 = 15,634.56/x
  3. Step 3: Cross multiply
    23,715.09x = 32,731.35 × 15,634.56
  4. Step 4: Simplify right side
    23,715.09x = 511,740,255.46
  5. Step 5: Solve for x
    x = 511,740,255.46/23,715.09
  6. Step 6: Final answer
    x = 21,578.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.